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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.olingo.commons.api.edm.provider.annotation;

import java.util.ArrayList;
import java.util.List;

import org.apache.olingo.commons.api.edm.provider.CsdlAnnotatable;
import org.apache.olingo.commons.api.edm.provider.CsdlAnnotation;

/**
 * Represents a edm:If expression
 */
public class CsdlIf extends CsdlDynamicExpression implements CsdlAnnotatable {

  private CsdlExpression guard;
  private CsdlExpression _then;
  private CsdlExpression _else;
  private List annotations = new ArrayList();

  @Override
  public List getAnnotations() {
    return annotations;
  }
  
  public CsdlIf setAnnotations(List annotations) {
    this.annotations = annotations;
    return this;
  }

  /**
   * Returns the first expression of the edm:If expression.
   * This expression represents the condition of the if expression
   *
   * @return First expression of the if expression
   */
  public CsdlExpression getGuard() {
    return guard;
  }

  public CsdlIf setGuard(final CsdlExpression guard) {
    this.guard = guard;
    return this;
  }

  /**
   * Return the second expression of the edm:If expression.
   * If the condition of the condition is evaluated to true,
   * this expression as to be executed.
   *
   * @return Second Expression of the edm:If expression
   */
  public CsdlExpression getThen() {
    return _then;
  }

  public CsdlIf setThen(final CsdlExpression _then) {
    this._then = _then;
    return this;
  }

  /**
   * Return the third expression of the edm:If expression.
   * If the condition of the condition is evaluated to false,
   * this expression as to be executed.
   *
   * @return Third Expression of the edm:If expression
   */
  public CsdlExpression getElse() {
    return _else;
  }

  public CsdlIf setElse(final CsdlExpression _else) {
    this._else = _else;
    return this;
  }
}